/*!
 * Cropper v3.1.3
 * https://github.com/fengyuanchen/cropper
 *
 * Copyright (c) 2014-2017 Chen Fengyuan
 * Released under the MIT license
 *
 * Date: 2017-10-21T10:04:29.734Z
 */

'use strict';

function _interopDefault(ex) {
    return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex;
}

var $ = _interopDefault(require('jquery'));

var WINDOW = typeof window !== 'undefined' ? window : {};
var NAMESPACE = 'cropper';

// Actions
var ACTION_ALL = 'all';
var ACTION_CROP = 'crop';
var ACTION_MOVE = 'move';
var ACTION_ZOOM = 'zoom';
var ACTION_EAST = 'e';
var ACTION_WEST = 'w';
var ACTION_SOUTH = 's';
var ACTION_NORTH = 'n';
var ACTION_NORTH_EAST = 'ne';
var ACTION_NORTH_WEST = 'nw';
var ACTION_SOUTH_EAST = 'se';
var ACTION_SOUTH_WEST = 'sw';

// Classes
var CLASS_CROP = NAMESPACE + '-crop';
var CLASS_DISABLED = NAMESPACE + '-disabled';
var CLASS_HIDDEN = NAMESPACE + '-hidden';
var CLASS_HIDE = NAMESPACE + '-hide';
var CLASS_INVISIBLE = NAMESPACE + '-invisible';
var CLASS_MODAL = NAMESPACE + '-modal';
var CLASS_MOVE = NAMESPACE + '-move';

// Data keys
var DATA_ACTION = 'action';
var DATA_PREVIEW = 'preview';

// Drag modes
var DRAG_MODE_CROP = 'crop';
var DRAG_MODE_MOVE = 'move';
var DRAG_MODE_NONE = 'none';

// Events
var EVENT_CROP = 'crop';
var EVENT_CROP_END = 'cropend';
var EVENT_CROP_MOVE = 'cropmove';
var EVENT_CROP_START = 'cropstart';
var EVENT_DBLCLICK = 'dblclick';
var EVENT_ERROR = 'error';
var EVENT_LOAD = 'load';
var EVENT_POINTER_DOWN = WINDOW.PointerEvent ? 'pointerdown' : 'touchstart mousedown';
var EVENT_POINTER_MOVE = WINDOW.PointerEvent ? 'pointermove' : 'touchmove mousemove';
var EVENT_POINTER_UP = WINDOW.PointerEvent ? ' pointerup pointercancel' : 'touchend touchcancel mouseup';
var EVENT_READY = 'ready';
var EVENT_RESIZE = 'resize';
var EVENT_WHEEL = 'wheel mousewheel DOMMouseScroll';
var EVENT_ZOOM = 'zoom';

// RegExps
var REGEXP_ACTIONS = /^(e|w|s|n|se|sw|ne|nw|all|crop|move|zoom)$/;
var REGEXP_DATA_URL = /^data:/;
var REGEXP_DATA_URL_JPEG = /^data:image\/jpeg;base64,/;
var REGEXP_TAG_NAME = /^(img|canvas)$/i;

var DEFAULTS = {
    // Define the view mode of the cropper
    viewMode: 0, // 0, 1, 2, 3

    // Define the dragging mode of the cropper
    dragMode: DRAG_MODE_CROP, // 'crop', 'move' or 'none'

    // Define the aspect ratio of the crop box
    aspectRatio: NaN,

    // An object with the previous cropping result data
    data: null,

    // A selector for adding extra containers to preview
    preview: '',

    // Re-render the cropper when resize the window
    responsive: true,

    // Restore the cropped area after resize the window
    restore: true,

    // Check if the current image is a cross-origin image
    checkCrossOrigin: true,

    // Check the current image's Exif Orientation information
    checkOrientation: true,

    // Show the black modal
    modal: true,

    // Show the dashed lines for guiding
    guides: true,

    // Show the center indicator for guiding
    center: true,

    // Show the white modal to highlight the crop box
    highlight: true,

    // Show the grid background
    background: true,

    // Enable to crop the image automatically when initialize
    autoCrop: true,

    // Define the percentage of automatic cropping area when initializes
    autoCropArea: 0.8,

    // Enable to move the image
    movable: true,

    // Enable to rotate the image
    rotatable: true,

    // Enable to scale the image
    scalable: true,

    // Enable to zoom the image
    zoomable: true,

    // Enable to zoom the image by dragging touch
    zoomOnTouch: true,

    // Enable to zoom the image by wheeling mouse
    zoomOnWheel: true,

    // Define zoom ratio when zoom the image by wheeling mouse
    wheelZoomRatio: 0.1,

    // Enable to move the crop box
    cropBoxMovable: true,

    // Enable to resize the crop box
    cropBoxResizable: true,

    // Toggle drag mode between "crop" and "move" when click twice on the cropper
    toggleDragModeOnDblclick: true,

    // Size limitation
    minCanvasWidth: 0,
    minCanvasHeight: 0,
    minCropBoxWidth: 0,
    minCropBoxHeight: 0,
    minContainerWidth: 200,
    minContainerHeight: 100,

    // Shortcuts of events
    ready: null,
    cropstart: null,
    cropmove: null,
    cropend: null,
    crop: null,
    zoom: null
};

var TEMPLATE = '<div class="cropper-container">' + '<div class="cropper-wrap-box">' + '<div class="cropper-canvas"></div>' + '</div>' + '<div class="cropper-drag-box"></div>' + '<div class="cropper-crop-box">' + '<span class="cropper-view-box"></span>' + '<span class="cropper-dashed dashed-h"></span>' + '<span class="cropper-dashed dashed-v"></span>' + '<span class="cropper-center"></span>' + '<span class="cropper-face"></span>' + '<span class="cropper-line line-e" data-action="e"></span>' + '<span class="cropper-line line-n" data-action="n"></span>' + '<span class="cropper-line line-w" data-action="w"></span>' + '<span class="cropper-line line-s" data-action="s"></span>' + '<span class="cropper-point point-e" data-action="e"></span>' + '<span class="cropper-point point-n" data-action="n"></span>' + '<span class="cropper-point point-w" data-action="w"></span>' + '<span class="cropper-point point-s" data-action="s"></span>' + '<span class="cropper-point point-ne" data-action="ne"></span>' + '<span class="cropper-point point-nw" data-action="nw"></span>' + '<span class="cropper-point point-sw" data-action="sw"></span>' + '<span class="cropper-point point-se" data-action="se"></span>' + '</div>' + '</div>';

function _toConsumableArray(arr) {
    if (Array.isArray(arr)) {
        for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) {
            arr2[i] = arr[i];
        }
        return arr2;
    } else {
        return Array.from(arr);
    }
}

/**
 * Check if the given value is a string.
 * @param {*} value - The value to check.
 * @returns {boolean} Returns `true` if the given value is a string, else `false`.
 */
function isString(value) {
    return typeof value === 'string';
}

/**
 * Check if the given value is not a number.
 */
var isNaN = Number.isNaN || WINDOW.isNaN;

/**
 * Check if the given value is a number.
 * @param {*} value - The value to check.
 * @returns {boolean} Returns `true` if the given value is a number, else `false`.
 */
function isNumber(value) {
    return typeof value === 'number' && !isNaN(value);
}

/**
 * Check if the given value is undefined.
 * @param {*} value - The value to check.
 * @returns {boolean} Returns `true` if the given value is undefined, else `false`.
 */
function isUndefined(value) {
    return typeof value === 'undefined';
}

/**
 * Takes a function and returns a new one that will always have a particular context.
 * Custom proxy to avoid jQuery's guid.
 * @param {Function} fn - The target function.
 * @param {Object} context - The new context for the function.
 * @returns {Function} The new function.
 */
function proxy(fn, context) {
    for (var _len = arguments.length, args = Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) {
        args[_key - 2] = arguments[_key];
    }

    return function () {
        for (var _len2 = arguments.length, args2 = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
            args2[_key2] = arguments[_key2];
        }

        return fn.apply(context, args.concat(args2));
    };
}

/**
 * Get the own enumerable properties of a given object.
 * @param {Object} obj - The target object.
 * @returns {Array} All the own enumerable properties of the given object.
 */
var objectKeys = Object.keys || function objectKeys(obj) {
    var keys = [];

    $.each(obj, function (key) {
        keys.push(key);
    });

    return keys;
};

var REGEXP_DECIMALS = /\.\d*(?:0|9){12}\d*$/i;

/**
 * Normalize decimal number.
 * Check out {@link http://0.30000000000000004.com/ }
 * @param {number} value - The value to normalize.
 * @param {number} [times=100000000000] - The times for normalizing.
 * @returns {number} Returns the normalized number.
 */
function normalizeDecimalNumber(value) {
    var times = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 100000000000;

    return REGEXP_DECIMALS.test(value) ? Math.round(value * times) / times : value;
}

var location = WINDOW.location;

var REGEXP_ORIGINS = /^(https?:)\/\/([^:/?#]+):?(\d*)/i;

/**
 * Check if the given URL is a cross origin URL.
 * @param {string} url - The target URL.
 * @returns {boolean} Returns `true` if the given URL is a cross origin URL, else `false`.
 */
function isCrossOriginURL(url) {
    var parts = url.match(REGEXP_ORIGINS);

    return parts && (parts[1] !== location.protocol || parts[2] !== location.hostname || parts[3] !== location.port);
}

/**
 * Add timestamp to the given URL.
 * @param {string} url - The target URL.
 * @returns {string} The result URL.
 */
function addTimestamp(url) {
    var timestamp = 'timestamp=' + new Date().getTime();

    return url + (url.indexOf('?') === -1 ? '?' : '&') + timestamp;
}

/**
 * Get transform values base on the given object.
 * @param {Object} obj - The target object.
 * @returns {string} A string contains transform values.
 */
function getTransformValues(_ref) {
    var rotate = _ref.rotate,
        scaleX = _ref.scaleX,
        scaleY = _ref.scaleY,
        translateX = _ref.translateX,
        translateY = _ref.translateY;

    var values = [];

    if (isNumber(translateX) && translateX !== 0) {
        values.push('translateX(' + translateX + 'px)');
    }

    if (isNumber(translateY) && translateY !== 0) {
        values.push('translateY(' + translateY + 'px)');
    }

    // Rotate should come first before scale to match orientation transform
    if (isNumber(rotate) && rotate !== 0) {
        values.push('rotate(' + rotate + 'deg)');
    }

    if (isNumber(scaleX) && scaleX !== 1) {
        values.push('scaleX(' + scaleX + ')');
    }

    if (isNumber(scaleY) && scaleY !== 1) {
        values.push('scaleY(' + scaleY + ')');
    }

    return values.length ? values.join(' ') : 'none';
}

var navigator = WINDOW.navigator;

var IS_SAFARI_OR_UIWEBVIEW = navigator && /(Macintosh|iPhone|iPod|iPad).*AppleWebKit/i.test(navigator.userAgent);

/**
 * Get an image's natural sizes.
 * @param {string} image - The target image.
 * @param {Function} callback - The callback function.
 */
function getImageNaturalSizes(image, callback) {
    // Modern browsers (except Safari)
    if (image.naturalWidth && !IS_SAFARI_OR_UIWEBVIEW) {
        callback(image.naturalWidth, image.naturalHeight);
        return;
    }

    var newImage = document.createElement('img');

    newImage.onload = function () {
        callback(newImage.width, newImage.height);
    };

    newImage.src = image.src;
}

/**
 * Get the max ratio of a group of pointers.
 * @param {string} pointers - The target pointers.
 * @returns {number} The result ratio.
 */
function getMaxZoomRatio(pointers) {
    var pointers2 = $.extend({}, pointers);
    var ratios = [];

    $.each(pointers, function (pointerId, pointer) {
        delete pointers2[pointerId];

        $.each(pointers2, function (pointerId2, pointer2) {
            var x1 = Math.abs(pointer.startX - pointer2.startX);
            var y1 = Math.abs(pointer.startY - pointer2.startY);
            var x2 = Math.abs(pointer.endX - pointer2.endX);
            var y2 = Math.abs(pointer.endY - pointer2.endY);
            var z1 = Math.sqrt(x1 * x1 + y1 * y1);
            var z2 = Math.sqrt(x2 * x2 + y2 * y2);
            var ratio = (z2 - z1) / z1;

            ratios.push(ratio);
        });
    });

    ratios.sort(function (a, b) {
        return Math.abs(a) < Math.abs(b);
    });

    return ratios[0];
}

/**
 * Get a pointer from an event object.
 * @param {Object} event - The target event object.
 * @param {boolean} endOnly - Indicates if only returns the end point coordinate or not.
 * @returns {Object} The result pointer contains start and/or end point coordinates.
 */
function getPointer(_ref2, endOnly) {
    var pageX = _ref2.pageX,
        pageY = _ref2.pageY;

    var end = {
        endX: pageX,
        endY: pageY
    };

    if (endOnly) {
        return end;
    }

    return $.extend({
        startX: pageX,
        startY: pageY
    }, end);
}

/**
 * Get the center point coordinate of a group of pointers.
 * @param {Object} pointers - The target pointers.
 * @returns {Object} The center point coordinate.
 */
function getPointersCenter(pointers) {
    var pageX = 0;
    var pageY = 0;
    var count = 0;

    $.each(pointers, function (pointerId, _ref3) {
        var startX = _ref3.startX,
            startY = _ref3.startY;

        pageX += startX;
        pageY += startY;
        count += 1;
    });

    pageX /= count;
    pageY /= count;

    return {
        pageX: pageX,
        pageY: pageY
    };
}

/**
 * Check if the given value is a finite number.
 */
var isFinite = Number.isFinite || WINDOW.isFinite;

/**
 * Get the max sizes in a rectangle under the given aspect ratio.
 * @param {Object} data - The original sizes.
 * @returns {Object} The result sizes.
 */
function getContainSizes(_ref4) {
    var aspectRatio = _ref4.aspectRatio,
        height = _ref4.height,
        width = _ref4.width;

    var isValidNumber = function isValidNumber(value) {
        return isFinite(value) && value > 0;
    };

    if (isValidNumber(width) && isValidNumber(height)) {
        if (height * aspectRatio > width) {
            height = width / aspectRatio;
        } else {
            width = height * aspectRatio;
        }
    } else if (isValidNumber(width)) {
        height = width / aspectRatio;
    } else if (isValidNumber(height)) {
        width = height * aspectRatio;
    }

    return {
        width: width,
        height: height
    };
}

/**
 * Get the new sizes of a rectangle after rotated.
 * @param {Object} data - The original sizes.
 * @returns {Object} The result sizes.
 */
function getRotatedSizes(_ref5) {
    var width = _ref5.width,
        height = _ref5.height,
        degree = _ref5.degree;

    degree = Math.abs(degree);

    if (degree % 180 === 90) {
        return {
            width: height,
            height: width
        };
    }

    var arc = degree % 90 * Math.PI / 180;
    var sinArc = Math.sin(arc);
    var cosArc = Math.cos(arc);

    return {
        width: width * cosArc + height * sinArc,
        height: width * sinArc + height * cosArc
    };
}

/**
 * Get a canvas which drew the given image.
 * @param {HTMLImageElement} image - The image for drawing.
 * @param {Object} imageData - The image data.
 * @param {Object} canvasData - The canvas data.
 * @param {Object} options - The options.
 * @returns {HTMLCanvasElement} The result canvas.
 */
function getSourceCanvas(image, _ref6, _ref7, _ref8) {
    var imageNaturalWidth = _ref6.naturalWidth,
        imageNaturalHeight = _ref6.naturalHeight,
        _ref6$rotate = _ref6.rotate,
        rotate = _ref6$rotate === undefined ? 0 : _ref6$rotate,
        _ref6$scaleX = _ref6.scaleX,
        scaleX = _ref6$scaleX === undefined ? 1 : _ref6$scaleX,
        _ref6$scaleY = _ref6.scaleY,
        scaleY = _ref6$scaleY === undefined ? 1 : _ref6$scaleY;
    var aspectRatio = _ref7.aspectRatio,
        naturalWidth = _ref7.naturalWidth,
        naturalHeight = _ref7.naturalHeight;
    var _ref8$fillColor = _ref8.fillColor,
        fillColor = _ref8$fillColor === undefined ? 'transparent' : _ref8$fillColor,
        _ref8$imageSmoothingE = _ref8.imageSmoothingEnabled,
        imageSmoothingEnabled = _ref8$imageSmoothingE === undefined ? true : _ref8$imageSmoothingE,
        _ref8$imageSmoothingQ = _ref8.imageSmoothingQuality,
        imageSmoothingQuality = _ref8$imageSmoothingQ === undefined ? 'low' : _ref8$imageSmoothingQ,
        _ref8$maxWidth = _ref8.maxWidth,
        maxWidth = _ref8$maxWidth === undefined ? Infinity : _ref8$maxWidth,
        _ref8$maxHeight = _ref8.maxHeight,
        maxHeight = _ref8$maxHeight === undefined ? Infinity : _ref8$maxHeight,
        _ref8$minWidth = _ref8.minWidth,
        minWidth = _ref8$minWidth === undefined ? 0 : _ref8$minWidth,
        _ref8$minHeight = _ref8.minHeight,
        minHeight = _ref8$minHeight === undefined ? 0 : _ref8$minHeight;

    var maxSizes = getContainSizes({
        aspectRatio: aspectRatio,
        width: maxWidth,
        height: maxHeight
    });
    var minSizes = getContainSizes({
        aspectRatio: aspectRatio,
        width: minWidth,
        height: minHeight
    });
    var width = Math.min(maxSizes.width, Math.max(minSizes.width, naturalWidth));
    var height = Math.min(maxSizes.height, Math.max(minSizes.height, naturalHeight));
    var canvas = document.createElement('canvas');
    var context = canvas.getContext('2d');
    var params = [-imageNaturalWidth / 2, -imageNaturalHeight / 2, imageNaturalWidth, imageNaturalHeight];

    canvas.width = normalizeDecimalNumber(width);
    canvas.height = normalizeDecimalNumber(height);
    context.fillStyle = fillColor;
    context.fillRect(0, 0, width, height);
    context.save();
    context.translate(width / 2, height / 2);
    context.rotate(rotate * Math.PI / 180);
    context.scale(scaleX, scaleY);
    context.imageSmoothingEnabled = !!imageSmoothingEnabled;
    context.imageSmoothingQuality = imageSmoothingQuality;
    context.drawImage.apply(context, [image].concat(_toConsumableArray($.map(params, function (param) {
        return Math.floor(normalizeDecimalNumber(param));
    }))));
    context.restore();
    return canvas;
}

var fromCharCode = String.fromCharCode;

/**
 * Get string from char code in data view.
 * @param {DataView} dataView - The data view for read.
 * @param {number} start - The start index.
 * @param {number} length - The read length.
 * @returns {string} The read result.
 */

function getStringFromCharCode(dataView, start, length) {
    var str = '';
    var i = void 0;

    length += start;

    for (i = start; i < length; i += 1) {
        str += fromCharCode(dataView.getUint8(i));
    }

    return str;
}

var REGEXP_DATA_URL_HEAD = /^data:.*,/;

/**
 * Transform Data URL to array buffer.
 * @param {string} dataURL - The Data URL to transform.
 * @returns {ArrayBuffer} The result array buffer.
 */
function dataURLToArrayBuffer(dataURL) {
    var base64 = dataURL.replace(REGEXP_DATA_URL_HEAD, '');
    var binary = atob(base64);
    var arrayBuffer = new ArrayBuffer(binary.length);
    var uint8 = new Uint8Array(arrayBuffer);

    $.each(uint8, function (i) {
        uint8[i] = binary.charCodeAt(i);
    });

    return arrayBuffer;
}

/**
 * Transform array buffer to Data URL.
 * @param {ArrayBuffer} arrayBuffer - The array buffer to transform.
 * @param {string} mimeType - The mime type of the Data URL.
 * @returns {string} The result Data URL.
 */
function arrayBufferToDataURL(arrayBuffer, mimeType) {
    var uint8 = new Uint8Array(arrayBuffer);
    var data = '';

    // TypedArray.prototype.forEach is not supported in some browsers.
    $.each(uint8, function (i, value) {
        data += fromCharCode(value);
    });

    return 'data:' + mimeType + ';base64,' + btoa(data);
}

/**
 * Get orientation value from given array buffer.
 * @param {ArrayBuffer} arrayBuffer - The array buffer to read.
 * @returns {number} The read orientation value.
 */
function getOrientation(arrayBuffer) {
    var dataView = new DataView(arrayBuffer);
    var orientation = void 0;
    var littleEndian = void 0;
    var app1Start = void 0;
    var ifdStart = void 0;

    // Only handle JPEG image (start by 0xFFD8)
    if (dataView.getUint8(0) === 0xFF && dataView.getUint8(1) === 0xD8) {
        var length = dataView.byteLength;
        var offset = 2;

        while (offset < length) {
            if (dataView.getUint8(offset) === 0xFF && dataView.getUint8(offset + 1) === 0xE1) {
                app1Start = offset;
                break;
            }

            offset += 1;
        }
    }

    if (app1Start) {
        var exifIDCode = app1Start + 4;
        var tiffOffset = app1Start + 10;

        if (getStringFromCharCode(dataView, exifIDCode, 4) === 'Exif') {
            var endianness = dataView.getUint16(tiffOffset);

            littleEndian = endianness === 0x4949;

            if (littleEndian || endianness === 0x4D4D /* bigEndian */) {
                if (dataView.getUint16(tiffOffset + 2, littleEndian) === 0x002A) {
                    var firstIFDOffset = dataView.getUint32(tiffOffset + 4, littleEndian);

                    if (firstIFDOffset >= 0x00000008) {
                        ifdStart = tiffOffset + firstIFDOffset;
                    }
                }
            }
        }
    }

    if (ifdStart) {
        var _length = dataView.getUint16(ifdStart, littleEndian);
        var _offset = void 0;
        var i = void 0;

        for (i = 0; i < _length; i += 1) {
            _offset = ifdStart + i * 12 + 2;

            if (dataView.getUint16(_offset, littleEndian) === 0x0112 /* Orientation */) {
                // 8 is the offset of the current tag's value
                _offset += 8;

                // Get the original orientation value
                orientation = dataView.getUint16(_offset, littleEndian);

                // Override the orientation with its default value
                dataView.setUint16(_offset, 1, littleEndian);
                break;
            }
        }
    }

    return orientation;
}

/**
 * Parse Exif Orientation value.
 * @param {number} orientation - The orientation to parse.
 * @returns {Object} The parsed result.
 */
function parseOrientation(orientation) {
    var rotate = 0;
    var scaleX = 1;
    var scaleY = 1;

    switch (orientation) {
        // Flip horizontal
        case 2:
            scaleX = -1;
            break;

        // Rotate left 180°
        case 3:
            rotate = -180;
            break;

        // Flip vertical
        case 4:
            scaleY = -1;
            break;

        // Flip vertical and rotate right 90°
        case 5:
            rotate = 90;
            scaleY = -1;
            break;

        // Rotate right 90°
        case 6:
            rotate = 90;
            break;

        // Flip horizontal and rotate right 90°
        case 7:
            rotate = 90;
            scaleX = -1;
            break;

        // Rotate left 90°
        case 8:
            rotate = -90;
            break;

        default:
    }

    return {
        rotate: rotate,
        scaleX: scaleX,
        scaleY: scaleY
    };
}

var render = {
    render: function render() {
        this.initContainer();
        this.initCanvas();
        this.initCropBox();
        this.renderCanvas();

        if (this.cropped) {
            this.renderCropBox();
        }
    },
    initContainer: function initContainer() {
        var $element = this.$element,
            options = this.options,
            $container = this.$container,
            $cropper = this.$cropper;


        $cropper.addClass(CLASS_HIDDEN);
        $element.removeClass(CLASS_HIDDEN);

        $cropper.css(this.container = {
            width: Math.max($container.width(), Number(options.minContainerWidth) || 200),
            height: Math.max($container.height(), Number(options.minContainerHeight) || 100)
        });

        $element.addClass(CLASS_HIDDEN);
        $cropper.removeClass(CLASS_HIDDEN);
    },


    // Canvas (image wrapper)
    initCanvas: function initCanvas() {
        var container = this.container,
            image = this.image;
        var viewMode = this.options.viewMode;

        var rotated = Math.abs(image.rotate) % 180 === 90;
        var naturalWidth = rotated ? image.naturalHeight : image.naturalWidth;
        var naturalHeight = rotated ? image.naturalWidth : image.naturalHeight;
        var aspectRatio = naturalWidth / naturalHeight;
        var canvasWidth = container.width;
        var canvasHeight = container.height;

        if (container.height * aspectRatio > container.width) {
            if (viewMode === 3) {
                canvasWidth = container.height * aspectRatio;
            } else {
                canvasHeight = container.width / aspectRatio;
            }
        } else if (viewMode === 3) {
            canvasHeight = container.width / aspectRatio;
        } else {
            canvasWidth = container.height * aspectRatio;
        }

        var canvas = {
            aspectRatio: aspectRatio,
            naturalWidth: naturalWidth,
            naturalHeight: naturalHeight,
            width: canvasWidth,
            height: canvasHeight
        };

        canvas.left = (container.width - canvasWidth) / 2;
        canvas.top = (container.height - canvasHeight) / 2;
        canvas.oldLeft = canvas.left;
        canvas.oldTop = canvas.top;

        this.canvas = canvas;
        this.limited = viewMode === 1 || viewMode === 2;
        this.limitCanvas(true, true);
        this.initialImage = $.extend({}, image);
        this.initialCanvas = $.extend({}, canvas);
    },
    limitCanvas: function limitCanvas(isSizeLimited, isPositionLimited) {
        var options = this.options,
            container = this.container,
            canvas = this.canvas,
            cropBox = this.cropBox;
        var viewMode = options.viewMode;
        var aspectRatio = canvas.aspectRatio;

        var cropped = this.cropped && cropBox;

        if (isSizeLimited) {
            var minCanvasWidth = Number(options.minCanvasWidth) || 0;
            var minCanvasHeight = Number(options.minCanvasHeight) || 0;

            if (viewMode > 0) {
                if (viewMode > 1) {
                    minCanvasWidth = Math.max(minCanvasWidth, container.width);
                    minCanvasHeight = Math.max(minCanvasHeight, container.height);

                    if (viewMode === 3) {
                        if (minCanvasHeight * aspectRatio > minCanvasWidth) {
                            minCanvasWidth = minCanvasHeight * aspectRatio;
                        } else {
                            minCanvasHeight = minCanvasWidth / aspectRatio;
                        }
                    }
                } else if (minCanvasWidth) {
                    minCanvasWidth = Math.max(minCanvasWidth, cropped ? cropBox.width : 0);
                } else if (minCanvasHeight) {
                    minCanvasHeight = Math.max(minCanvasHeight, cropped ? cropBox.height : 0);
                } else if (cropped) {
                    minCanvasWidth = cropBox.width;
                    minCanvasHeight = cropBox.height;

                    if (minCanvasHeight * aspectRatio > minCanvasWidth) {
                        minCanvasWidth = minCanvasHeight * aspectRatio;
                    } else {
                        minCanvasHeight = minCanvasWidth / aspectRatio;
                    }
                }
            }

            var _getContainSizes = getContainSizes({
                aspectRatio: aspectRatio,
                width: minCanvasWidth,
                height: minCanvasHeight
            });

            minCanvasWidth = _getContainSizes.width;
            minCanvasHeight = _getContainSizes.height;


            canvas.minWidth = minCanvasWidth;
            canvas.minHeight = minCanvasHeight;
            canvas.maxWidth = Infinity;
            canvas.maxHeight = Infinity;
        }

        if (isPositionLimited) {
            if (viewMode > 0) {
                var newCanvasLeft = container.width - canvas.width;
                var newCanvasTop = container.height - canvas.height;

                canvas.minLeft = Math.min(0, newCanvasLeft);
                canvas.minTop = Math.min(0, newCanvasTop);
                canvas.maxLeft = Math.max(0, newCanvasLeft);
                canvas.maxTop = Math.max(0, newCanvasTop);

                if (cropped && this.limited) {
                    canvas.minLeft = Math.min(cropBox.left, cropBox.left + cropBox.width - canvas.width);
                    canvas.minTop = Math.min(cropBox.top, cropBox.top + cropBox.height - canvas.height);
                    canvas.maxLeft = cropBox.left;
                    canvas.maxTop = cropBox.top;

                    if (viewMode === 2) {
                        if (canvas.width >= container.width) {
                            canvas.minLeft = Math.min(0, newCanvasLeft);
                            canvas.maxLeft = Math.max(0, newCanvasLeft);
                        }

                        if (canvas.height >= container.height) {
                            canvas.minTop = Math.min(0, newCanvasTop);
                            canvas.maxTop = Math.max(0, newCanvasTop);
                        }
                    }
                }
            } else {
                canvas.minLeft = -canvas.width;
                canvas.minTop = -canvas.height;
                canvas.maxLeft = container.width;
                canvas.maxTop = container.height;
            }
        }
    },
    renderCanvas: function renderCanvas(changed, transformed) {
        var canvas = this.canvas,
            image = this.image;


        if (transformed) {
            var _getRotatedSizes = getRotatedSizes({
                    width: image.naturalWidth * Math.abs(image.scaleX || 1),
                    height: image.naturalHeight * Math.abs(image.scaleY || 1),
                    degree: image.rotate || 0
                }),
                naturalWidth = _getRotatedSizes.width,
                naturalHeight = _getRotatedSizes.height;

            var width = canvas.width * (naturalWidth / canvas.naturalWidth);
            var height = canvas.height * (naturalHeight / canvas.naturalHeight);

            canvas.left -= (width - canvas.width) / 2;
            canvas.top -= (height - canvas.height) / 2;
            canvas.width = width;
            canvas.height = height;
            canvas.aspectRatio = naturalWidth / naturalHeight;
            canvas.naturalWidth = naturalWidth;
            canvas.naturalHeight = naturalHeight;
            this.limitCanvas(true, false);
        }

        if (canvas.width > canvas.maxWidth || canvas.width < canvas.minWidth) {
            canvas.left = canvas.oldLeft;
        }

        if (canvas.height > canvas.maxHeight || canvas.height < canvas.minHeight) {
            canvas.top = canvas.oldTop;
        }

        canvas.width = Math.min(Math.max(canvas.width, canvas.minWidth), canvas.maxWidth);
        canvas.height = Math.min(Math.max(canvas.height, canvas.minHeight), canvas.maxHeight);

        this.limitCanvas(false, true);

        canvas.left = Math.min(Math.max(canvas.left, canvas.minLeft), canvas.maxLeft);
        canvas.top = Math.min(Math.max(canvas.top, canvas.minTop), canvas.maxTop);
        canvas.oldLeft = canvas.left;
        canvas.oldTop = canvas.top;

        this.$canvas.css({
            width: canvas.width,
            height: canvas.height,
            transform: getTransformValues({
                translateX: canvas.left,
                translateY: canvas.top
            })
        });

        this.renderImage(changed);

        if (this.cropped && this.limited) {
            this.limitCropBox(true, true);
        }
    },
    renderImage: function renderImage(changed) {
        var canvas = this.canvas,
            image = this.image;

        var width = image.naturalWidth * (canvas.width / canvas.naturalWidth);
        var height = image.naturalHeight * (canvas.height / canvas.naturalHeight);

        $.extend(image, {
            width: width,
            height: height,
            left: (canvas.width - width) / 2,
            top: (canvas.height - height) / 2
        });

        this.$clone.css({
            width: image.width,
            height: image.height,
            transform: getTransformValues($.extend({
                translateX: image.left,
                translateY: image.top
            }, image))
        });

        if (changed) {
            this.output();
        }
    },
    initCropBox: function initCropBox() {
        var options = this.options,
            canvas = this.canvas;
        var aspectRatio = options.aspectRatio;

        var autoCropArea = Number(options.autoCropArea) || 0.8;
        var cropBox = {
            width: canvas.width,
            height: canvas.height
        };

        if (aspectRatio) {
            if (canvas.height * aspectRatio > canvas.width) {
                cropBox.height = cropBox.width / aspectRatio;
            } else {
                cropBox.width = cropBox.height * aspectRatio;
            }
        }

        this.cropBox = cropBox;
        this.limitCropBox(true, true);

        // Initialize auto crop area
        cropBox.width = Math.min(Math.max(cropBox.width, cropBox.minWidth), cropBox.maxWidth);
        cropBox.height = Math.min(Math.max(cropBox.height, cropBox.minHeight), cropBox.maxHeight);

        // The width of auto crop area must large than "minWidth", and the height too. (#164)
        cropBox.width = Math.max(cropBox.minWidth, cropBox.width * autoCropArea);
        cropBox.height = Math.max(cropBox.minHeight, cropBox.height * autoCropArea);
        cropBox.left = canvas.left + (canvas.width - cropBox.width) / 2;
        cropBox.top = canvas.top + (canvas.height - cropBox.height) / 2;
        cropBox.oldLeft = cropBox.left;
        cropBox.oldTop = cropBox.top;

        this.initialCropBox = $.extend({}, cropBox);
    },
    limitCropBox: function limitCropBox(isSizeLimited, isPositionLimited) {
        var options = this.options,
            container = this.container,
            canvas = this.canvas,
            cropBox = this.cropBox,
            limited = this.limited;
        var aspectRatio = options.aspectRatio;


        if (isSizeLimited) {
            var minCropBoxWidth = Number(options.minCropBoxWidth) || 0;
            var minCropBoxHeight = Number(options.minCropBoxHeight) || 0;
            var maxCropBoxWidth = Math.min(container.width, limited ? canvas.width : container.width);
            var maxCropBoxHeight = Math.min(container.height, limited ? canvas.height : container.height);

            // The min/maxCropBoxWidth/Height must be less than container's width/Height
            minCropBoxWidth = Math.min(minCropBoxWidth, container.width);
            minCropBoxHeight = Math.min(minCropBoxHeight, container.height);

            if (aspectRatio) {
                if (minCropBoxWidth && minCropBoxHeight) {
                    if (minCropBoxHeight * aspectRatio > minCropBoxWidth) {
                        minCropBoxHeight = minCropBoxWidth / aspectRatio;
                    } else {
                        minCropBoxWidth = minCropBoxHeight * aspectRatio;
                    }
                } else if (minCropBoxWidth) {
                    minCropBoxHeight = minCropBoxWidth / aspectRatio;
                } else if (minCropBoxHeight) {
                    minCropBoxWidth = minCropBoxHeight * aspectRatio;
                }

                if (maxCropBoxHeight * aspectRatio > maxCropBoxWidth) {
                    maxCropBoxHeight = maxCropBoxWidth / aspectRatio;
                } else {
                    maxCropBoxWidth = maxCropBoxHeight * aspectRatio;
                }
            }

            // The minWidth/Height must be less than maxWidth/Height
            cropBox.minWidth = Math.min(minCropBoxWidth, maxCropBoxWidth);
            cropBox.minHeight = Math.min(minCropBoxHeight, maxCropBoxHeight);
            cropBox.maxWidth = maxCropBoxWidth;
            cropBox.maxHeight = maxCropBoxHeight;
        }

        if (isPositionLimited) {
            if (limited) {
                cropBox.minLeft = Math.max(0, canvas.left);
                cropBox.minTop = Math.max(0, canvas.top);
                cropBox.maxLeft = Math.min(container.width, canvas.left + canvas.width) - cropBox.width;
                cropBox.maxTop = Math.min(container.height, canvas.top + canvas.height) - cropBox.height;
            } else {
                cropBox.minLeft = 0;
                cropBox.minTop = 0;
                cropBox.maxLeft = container.width - cropBox.width;
                cropBox.maxTop = container.height - cropBox.height;
            }
        }
    },
    renderCropBox: function renderCropBox() {
        var options = this.options,
            container = this.container,
            cropBox = this.cropBox;


        if (cropBox.width > cropBox.maxWidth || cropBox.width < cropBox.minWidth) {
            cropBox.left = cropBox.oldLeft;
        }

        if (cropBox.height > cropBox.maxHeight || cropBox.height < cropBox.minHeight) {
            cropBox.top = cropBox.oldTop;
        }

        cropBox.width = Math.min(Math.max(cropBox.width, cropBox.minWidth), cropBox.maxWidth);
        cropBox.height = Math.min(Math.max(cropBox.height, cropBox.minHeight), cropBox.maxHeight);

        this.limitCropBox(false, true);

        cropBox.left = Math.min(Math.max(cropBox.left, cropBox.minLeft), cropBox.maxLeft);
        cropBox.top = Math.min(Math.max(cropBox.top, cropBox.minTop), cropBox.maxTop);
        cropBox.oldLeft = cropBox.left;
        cropBox.oldTop = cropBox.top;

        if (options.movable && options.cropBoxMovable) {
            // Turn to move the canvas when the crop box is equal to the container
            this.$face.data(DATA_ACTION, cropBox.width >= container.width && cropBox.height >= container.height ? ACTION_MOVE : ACTION_ALL);
        }

        this.$cropBox.css({
            width: cropBox.width,
            height: cropBox.height,
            transform: getTransformValues({
                translateX: cropBox.left,
                translateY: cropBox.top
            })
        });

        if (this.cropped && this.limited) {
            this.limitCanvas(true, true);
        }

        if (!this.disabled) {
            this.output();
        }
    },
    output: function output() {
        this.preview();

        if (this.completed) {
            this.trigger(EVENT_CROP, this.getData());
        }
    }
};

var preview = {
    initPreview: function initPreview() {
        var crossOrigin = this.crossOrigin;

        var url = crossOrigin ? this.crossOriginUrl : this.url;
        var image = document.createElement('img');

        if (crossOrigin) {
            image.crossOrigin = crossOrigin;
        }

        image.src = url;

        var $clone2 = $(image);

        this.$preview = $(this.options.preview);
        this.$clone2 = $clone2;
        this.$viewBox.html($clone2);
        this.$preview.each(function (i, element) {
            var $element = $(element);
            var img = document.createElement('img');

            // Save the original size for recover
            $element.data(DATA_PREVIEW, {
                width: $element.width(),
                height: $element.height(),
                html: $element.html()
            });

            if (crossOrigin) {
                img.crossOrigin = crossOrigin;
            }

            img.src = url;

            /**
             * Override img element styles
             * Add `display:block` to avoid margin top issue
             * Add `height:auto` to override `height` attribute on IE8
             * (Occur only when margin-top <= -height)
             */
            img.style.cssText = 'display:block;' + 'width:100%;' + 'height:auto;' + 'min-width:0!important;' + 'min-height:0!important;' + 'max-width:none!important;' + 'max-height:none!important;' + 'image-orientation:0deg!important;"';

            $element.html(img);
        });
    },
    resetPreview: function resetPreview() {
        this.$preview.each(function (i, element) {
            var $element = $(element);
            var data = $element.data(DATA_PREVIEW);

            $element.css({
                width: data.width,
                height: data.height
            }).html(data.html).removeData(DATA_PREVIEW);
        });
    },
    preview: function preview() {
        var image = this.image,
            canvas = this.canvas,
            cropBox = this.cropBox;
        var cropBoxWidth = cropBox.width,
            cropBoxHeight = cropBox.height;
        var width = image.width,
            height = image.height;

        var left = cropBox.left - canvas.left - image.left;
        var top = cropBox.top - canvas.top - image.top;

        if (!this.cropped || this.disabled) {
            return;
        }

        this.$clone2.css({
            width: width,
            height: height,
            transform: getTransformValues($.extend({
                translateX: -left,
                translateY: -top
            }, image))
        });

        this.$preview.each(function (i, element) {
            var $element = $(element);
            var data = $element.data(DATA_PREVIEW);
            var originalWidth = data.width;
            var originalHeight = data.height;
            var newWidth = originalWidth;
            var newHeight = originalHeight;
            var ratio = 1;

            if (cropBoxWidth) {
                ratio = originalWidth / cropBoxWidth;
                newHeight = cropBoxHeight * ratio;
            }

            if (cropBoxHeight && newHeight > originalHeight) {
                ratio = originalHeight / cropBoxHeight;
                newWidth = cropBoxWidth * ratio;
                newHeight = originalHeight;
            }

            $element.css({
                width: newWidth,
                height: newHeight
            }).find('img').css({
                width: width * ratio,
                height: height * ratio,
                transform: getTransformValues($.extend({
                    translateX: -left * ratio,
                    translateY: -top * ratio
                }, image))
            });
        });
    }
};

var events = {
    bind: function bind() {
        var $element = this.$element,
            options = this.options,
            $cropper = this.$cropper;


        if ($.isFunction(options.cropstart)) {
            $element.on(EVENT_CROP_START, options.cropstart);
        }

        if ($.isFunction(options.cropmove)) {
            $element.on(EVENT_CROP_MOVE, options.cropmove);
        }

        if ($.isFunction(options.cropend)) {
            $element.on(EVENT_CROP_END, options.cropend);
        }

        if ($.isFunction(options.crop)) {
            $element.on(EVENT_CROP, options.crop);
        }

        if ($.isFunction(options.zoom)) {
            $element.on(EVENT_ZOOM, options.zoom);
        }

        $cropper.on(EVENT_POINTER_DOWN, proxy(this.cropStart, this));

        if (options.zoomable && options.zoomOnWheel) {
            $cropper.on(EVENT_WHEEL, proxy(this.wheel, this));
        }

        if (options.toggleDragModeOnDblclick) {
            $cropper.on(EVENT_DBLCLICK, proxy(this.dblclick, this));
        }

        $(document).on(EVENT_POINTER_MOVE, this.onCropMove = proxy(this.cropMove, this)).on(EVENT_POINTER_UP, this.onCropEnd = proxy(this.cropEnd, this));

        if (options.responsive) {
            $(window).on(EVENT_RESIZE, this.onResize = proxy(this.resize, this));
        }
    },
    unbind: function unbind() {
        var $element = this.$element,
            options = this.options,
            $cropper = this.$cropper;


        if ($.isFunction(options.cropstart)) {
            $element.off(EVENT_CROP_START, options.cropstart);
        }

        if ($.isFunction(options.cropmove)) {
            $element.off(EVENT_CROP_MOVE, options.cropmove);
        }

        if ($.isFunction(options.cropend)) {
            $element.off(EVENT_CROP_END, options.cropend);
        }

        if ($.isFunction(options.crop)) {
            $element.off(EVENT_CROP, options.crop);
        }

        if ($.isFunction(options.zoom)) {
            $element.off(EVENT_ZOOM, options.zoom);
        }

        $cropper.off(EVENT_POINTER_DOWN, this.cropStart);

        if (options.zoomable && options.zoomOnWheel) {
            $cropper.off(EVENT_WHEEL, this.wheel);
        }

        if (options.toggleDragModeOnDblclick) {
            $cropper.off(EVENT_DBLCLICK, this.dblclick);
        }

        $(document).off(EVENT_POINTER_MOVE, this.onCropMove).off(EVENT_POINTER_UP, this.onCropEnd);

        if (options.responsive) {
            $(window).off(EVENT_RESIZE, this.onResize);
        }
    }
};

var handlers = {
    resize: function resize() {
        var options = this.options,
            $container = this.$container,
            container = this.container;

        var minContainerWidth = Number(options.minContainerWidth) || 200;
        var minContainerHeight = Number(options.minContainerHeight) || 100;

        if (this.disabled || container.width <= minContainerWidth || container.height <= minContainerHeight) {
            return;
        }

        var ratio = $container.width() / container.width;

        // Resize when width changed or height changed
        if (ratio !== 1 || $container.height() !== container.height) {
            var canvasData = void 0;
            var cropBoxData = void 0;

            if (options.restore) {
                canvasData = this.getCanvasData();
                cropBoxData = this.getCropBoxData();
            }

            this.render();

            if (options.restore) {
                this.setCanvasData($.each(canvasData, function (i, n) {
                    canvasData[i] = n * ratio;
                }));
                this.setCropBoxData($.each(cropBoxData, function (i, n) {
                    cropBoxData[i] = n * ratio;
                }));
            }
        }
    },
    dblclick: function dblclick() {
        if (this.disabled || this.options.dragMode === DRAG_MODE_NONE) {
            return;
        }

        this.setDragMode(this.$dragBox.hasClass(CLASS_CROP) ? DRAG_MODE_MOVE : DRAG_MODE_CROP);
    },
    wheel: function wheel(event) {
        var _this = this;

        var e = event.originalEvent || event;
        var ratio = Number(this.options.wheelZoomRatio) || 0.1;

        if (this.disabled) {
            return;
        }

        event.preventDefault();

        // Limit wheel speed to prevent zoom too fast
        if (this.wheeling) {
            return;
        }

        this.wheeling = true;

        setTimeout(function () {
            _this.wheeling = false;
        }, 50);

        var delta = 1;

        if (e.deltaY) {
            delta = e.deltaY > 0 ? 1 : -1;
        } else if (e.wheelDelta) {
            delta = -e.wheelDelta / 120;
        } else if (e.detail) {
            delta = e.detail > 0 ? 1 : -1;
        }

        this.zoom(-delta * ratio, event);
    },
    cropStart: function cropStart(e) {
        if (this.disabled) {
            return;
        }

        var options = this.options,
            pointers = this.pointers;
        var originalEvent = e.originalEvent;

        var action = void 0;

        if (originalEvent && originalEvent.changedTouches) {
            // Handle touch event
            $.each(originalEvent.changedTouches, function (i, touch) {
                pointers[touch.identifier] = getPointer(touch);
            });
        } else {
            // Handle mouse event and pointer event
            pointers[originalEvent && originalEvent.pointerId || 0] = getPointer(originalEvent || e);
        }

        if (objectKeys(pointers).length > 1 && options.zoomable && options.zoomOnTouch) {
            action = ACTION_ZOOM;
        } else {
            action = $(e.target).data(DATA_ACTION);
        }

        if (!REGEXP_ACTIONS.test(action)) {
            return;
        }

        if (this.trigger(EVENT_CROP_START, {
                originalEvent: originalEvent,
                action: action
            }).isDefaultPrevented()) {
            return;
        }

        e.preventDefault();

        this.action = action;
        this.cropping = false;

        if (action === ACTION_CROP) {
            this.cropping = true;
            this.$dragBox.addClass(CLASS_MODAL);
        }
    },
    cropMove: function cropMove(e) {
        var action = this.action;


        if (this.disabled || !action) {
            return;
        }

        var pointers = this.pointers;
        var originalEvent = e.originalEvent;


        e.preventDefault();

        if (this.trigger(EVENT_CROP_MOVE, {
                originalEvent: originalEvent,
                action: action
            }).isDefaultPrevented()) {
            return;
        }

        if (originalEvent && originalEvent.changedTouches) {
            $.each(originalEvent.changedTouches, function (i, touch) {
                $.extend(pointers[touch.identifier], getPointer(touch, true));
            });
        } else {
            $.extend(pointers[originalEvent && originalEvent.pointerId || 0], getPointer(originalEvent || e, true));
        }

        this.change(e);
    },
    cropEnd: function cropEnd(e) {
        if (this.disabled) {
            return;
        }

        var action = this.action;
        var pointers = this.pointers;
        var originalEvent = e.originalEvent;


        if (originalEvent && originalEvent.changedTouches) {
            $.each(originalEvent.changedTouches, function (i, touch) {
                delete pointers[touch.identifier];
            });
        } else {
            delete pointers[originalEvent && originalEvent.pointerId || 0];
        }

        if (!action) {
            return;
        }

        e.preventDefault();

        if (!objectKeys(pointers).length) {
            this.action = '';
        }

        if (this.cropping) {
            this.cropping = false;
            this.$dragBox.toggleClass(CLASS_MODAL, this.cropped && this.options.modal);
        }

        this.trigger(EVENT_CROP_END, {
            originalEvent: originalEvent,
            action: action
        });
    }
};

var change = {
    change: function change(e) {
        var options = this.options,
            pointers = this.pointers,
            container = this.container,
            canvas = this.canvas,
            cropBox = this.cropBox;
        var action = this.action;
        var aspectRatio = options.aspectRatio;
        var left = cropBox.left,
            top = cropBox.top,
            width = cropBox.width,
            height = cropBox.height;

        var right = left + width;
        var bottom = top + height;
        var minLeft = 0;
        var minTop = 0;
        var maxWidth = container.width;
        var maxHeight = container.height;
        var renderable = true;
        var offset = void 0;

        // Locking aspect ratio in "free mode" by holding shift key (#259)
        if (!aspectRatio && e.shiftKey) {
            aspectRatio = width && height ? width / height : 1;
        }

        if (this.limited) {
            minLeft = cropBox.minLeft;
            minTop = cropBox.minTop;

            maxWidth = minLeft + Math.min(container.width, canvas.width, canvas.left + canvas.width);
            maxHeight = minTop + Math.min(container.height, canvas.height, canvas.top + canvas.height);
        }

        var pointer = pointers[objectKeys(pointers)[0]];
        var range = {
            x: pointer.endX - pointer.startX,
            y: pointer.endY - pointer.startY
        };
        var check = function check(side) {
            switch (side) {
                case ACTION_EAST:
                    if (right + range.x > maxWidth) {
                        range.x = maxWidth - right;
                    }

                    break;

                case ACTION_WEST:
                    if (left + range.x < minLeft) {
                        range.x = minLeft - left;
                    }

                    break;

                case ACTION_NORTH:
                    if (top + range.y < minTop) {
                        range.y = minTop - top;
                    }

                    break;

                case ACTION_SOUTH:
                    if (bottom + range.y > maxHeight) {
                        range.y = maxHeight - bottom;
                    }

                    break;

                default:
            }
        };

        switch (action) {
            // Move crop box
            case ACTION_ALL:
                left += range.x;
                top += range.y;
                break;

            // Resize crop box
            case ACTION_EAST:
                if (range.x >= 0 && (right >= maxWidth || aspectRatio && (top <= minTop || bottom >= maxHeight))) {
                    renderable = false;
                    break;
                }

                check(ACTION_EAST);
                width += range.x;

                if (aspectRatio) {
                    height = width / aspectRatio;
                    top -= range.x / aspectRatio / 2;
                }

                if (width < 0) {
                    action = ACTION_WEST;
                    width = 0;
                }

                break;

            case ACTION_NORTH:
                if (range.y <= 0 && (top <= minTop || aspectRatio && (left <= minLeft || right >= maxWidth))) {
                    renderable = false;
                    break;
                }

                check(ACTION_NORTH);
                height -= range.y;
                top += range.y;

                if (aspectRatio) {
                    width = height * aspectRatio;
                    left += range.y * aspectRatio / 2;
                }

                if (height < 0) {
                    action = ACTION_SOUTH;
                    height = 0;
                }

                break;

            case ACTION_WEST:
                if (range.x <= 0 && (left <= minLeft || aspectRatio && (top <= minTop || bottom >= maxHeight))) {
                    renderable = false;
                    break;
                }

                check(ACTION_WEST);
                width -= range.x;
                left += range.x;

                if (aspectRatio) {
                    height = width / aspectRatio;
                    top += range.x / aspectRatio / 2;
                }

                if (width < 0) {
                    action = ACTION_EAST;
                    width = 0;
                }

                break;

            case ACTION_SOUTH:
                if (range.y >= 0 && (bottom >= maxHeight || aspectRatio && (left <= minLeft || right >= maxWidth))) {
                    renderable = false;
                    break;
                }

                check(ACTION_SOUTH);
                height += range.y;

                if (aspectRatio) {
                    width = height * aspectRatio;
                    left -= range.y * aspectRatio / 2;
                }

                if (height < 0) {
                    action = ACTION_NORTH;
                    height = 0;
                }

                break;

            case ACTION_NORTH_EAST:
                if (aspectRatio) {
                    if (range.y <= 0 && (top <= minTop || right >= maxWidth)) {
                        renderable = false;
                        break;
                    }

                    check(ACTION_NORTH);
                    height -= range.y;
                    top += range.y;
                    width = height * aspectRatio;
                } else {
                    check(ACTION_NORTH);
                    check(ACTION_EAST);

                    if (range.x >= 0) {
                        if (right < maxWidth) {
                            width += range.x;
                        } else if (range.y <= 0 && top <= minTop) {
                            renderable = false;
                        }
                    } else {
                        width += range.x;
                    }

                    if (range.y <= 0) {
                        if (top > minTop) {
                            height -= range.y;
                            top += range.y;
                        }
                    } else {
                        height -= range.y;
                        top += range.y;
                    }
                }

                if (width < 0 && height < 0) {
                    action = ACTION_SOUTH_WEST;
                    height = 0;
                    width = 0;
                } else if (width < 0) {
                    action = ACTION_NORTH_WEST;
                    width = 0;
                } else if (height < 0) {
                    action = ACTION_SOUTH_EAST;
                    height = 0;
                }

                break;

            case ACTION_NORTH_WEST:
                if (aspectRatio) {
                    if (range.y <= 0 && (top <= minTop || left <= minLeft)) {
                        renderable = false;
                        break;
                    }

                    check(ACTION_NORTH);
                    height -= range.y;
                    top += range.y;
                    width = height * aspectRatio;
                    left += range.y * aspectRatio;
                } else {
                    check(ACTION_NORTH);
                    check(ACTION_WEST);

                    if (range.x <= 0) {
                        if (left > minLeft) {
                            width -= range.x;
                            left += range.x;
                        } else if (range.y <= 0 && top <= minTop) {
                            renderable = false;
                        }
                    } else {
                        width -= range.x;
                        left += range.x;
                    }

                    if (range.y <= 0) {
                        if (top > minTop) {
                            height -= range.y;
                            top += range.y;
                        }
                    } else {
                        height -= range.y;
                        top += range.y;
                    }
                }

                if (width < 0 && height < 0) {
                    action = ACTION_SOUTH_EAST;
                    height = 0;
                    width = 0;
                } else if (width < 0) {
                    action = ACTION_NORTH_EAST;
                    width = 0;
                } else if (height < 0) {
                    action = ACTION_SOUTH_WEST;
                    height = 0;
                }

                break;

            case ACTION_SOUTH_WEST:
                if (aspectRatio) {
                    if (range.x <= 0 && (left <= minLeft || bottom >= maxHeight)) {
                        renderable = false;
                        break;
                    }

                    check(ACTION_WEST);
                    width -= range.x;
                    left += range.x;
                    height = width / aspectRatio;
                } else {
                    check(ACTION_SOUTH);
                    check(ACTION_WEST);

                    if (range.x <= 0) {
                        if (left > minLeft) {
                            width -= range.x;
                            left += range.x;
                        } else if (range.y >= 0 && bottom >= maxHeight) {
                            renderable = false;
                        }
                    } else {
                        width -= range.x;
                        left += range.x;
                    }

                    if (range.y >= 0) {
                        if (bottom < maxHeight) {
                            height += range.y;
                        }
                    } else {
                        height += range.y;
                    }
                }

                if (width < 0 && height < 0) {
                    action = ACTION_NORTH_EAST;
                    height = 0;
                    width = 0;
                } else if (width < 0) {
                    action = ACTION_SOUTH_EAST;
                    width = 0;
                } else if (height < 0) {
                    action = ACTION_NORTH_WEST;
                    height = 0;
                }

                break;

            case ACTION_SOUTH_EAST:
                if (aspectRatio) {
                    if (range.x >= 0 && (right >= maxWidth || bottom >= maxHeight)) {
                        renderable = false;
                        break;
                    }

                    check(ACTION_EAST);
                    width += range.x;
                    height = width / aspectRatio;
                } else {
                    check(ACTION_SOUTH);
                    check(ACTION_EAST);

                    if (range.x >= 0) {
                        if (right < maxWidth) {
                            width += range.x;
                        } else if (range.y >= 0 && bottom >= maxHeight) {
                            renderable = false;
                        }
                    } else {
                        width += range.x;
                    }

                    if (range.y >= 0) {
                        if (bottom < maxHeight) {
                            height += range.y;
                        }
                    } else {
                        height += range.y;
                    }
                }

                if (width < 0 && height < 0) {
                    action = ACTION_NORTH_WEST;
                    height = 0;
                    width = 0;
                } else if (width < 0) {
                    action = ACTION_SOUTH_WEST;
                    width = 0;
                } else if (height < 0) {
                    action = ACTION_NORTH_EAST;
                    height = 0;
                }

                break;

            // Move canvas
            case ACTION_MOVE:
                this.move(range.x, range.y);
                renderable = false;
                break;

            // Zoom canvas
            case ACTION_ZOOM:
                this.zoom(getMaxZoomRatio(pointers), e.originalEvent);
                renderable = false;
                break;

            // Create crop box
            case ACTION_CROP:
                if (!range.x || !range.y) {
                    renderable = false;
                    break;
                }

                offset = this.$cropper.offset();
                left = pointer.startX - offset.left;
                top = pointer.startY - offset.top;
                width = cropBox.minWidth;
                height = cropBox.minHeight;

                if (range.x > 0) {
                    action = range.y > 0 ? ACTION_SOUTH_EAST : ACTION_NORTH_EAST;
                } else if (range.x < 0) {
                    left -= width;
                    action = range.y > 0 ? ACTION_SOUTH_WEST : ACTION_NORTH_WEST;
                }

                if (range.y < 0) {
                    top -= height;
                }

                // Show the crop box if is hidden
                if (!this.cropped) {
                    this.$cropBox.removeClass(CLASS_HIDDEN);
                    this.cropped = true;

                    if (this.limited) {
                        this.limitCropBox(true, true);
                    }
                }

                break;

            default:
        }

        if (renderable) {
            cropBox.width = width;
            cropBox.height = height;
            cropBox.left = left;
            cropBox.top = top;
            this.action = action;
            this.renderCropBox();
        }

        // Override
        $.each(pointers, function (i, p) {
            p.startX = p.endX;
            p.startY = p.endY;
        });
    }
};

function _toConsumableArray$1(arr) {
    if (Array.isArray(arr)) {
        for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) {
            arr2[i] = arr[i];
        }
        return arr2;
    } else {
        return Array.from(arr);
    }
}

var methods = {
    // Show the crop box manually
    crop: function crop() {
        if (!this.ready || this.disabled) {
            return;
        }

        if (!this.cropped) {
            this.cropped = true;
            this.limitCropBox(true, true);

            if (this.options.modal) {
                this.$dragBox.addClass(CLASS_MODAL);
            }

            this.$cropBox.removeClass(CLASS_HIDDEN);
        }

        this.setCropBoxData(this.initialCropBox);
    },


    // Reset the image and crop box to their initial states
    reset: function reset() {
        if (!this.ready || this.disabled) {
            return;
        }

        this.image = $.extend({}, this.initialImage);
        this.canvas = $.extend({}, this.initialCanvas);
        this.cropBox = $.extend({}, this.initialCropBox);
        this.renderCanvas();

        if (this.cropped) {
            this.renderCropBox();
        }
    },


    // Clear the crop box
    clear: function clear() {
        if (!this.cropped || this.disabled) {
            return;
        }

        $.extend(this.cropBox, {
            left: 0,
            top: 0,
            width: 0,
            height: 0
        });

        this.cropped = false;
        this.renderCropBox();
        this.limitCanvas(true, true);

        // Render canvas after crop box rendered
        this.renderCanvas();
        this.$dragBox.removeClass(CLASS_MODAL);
        this.$cropBox.addClass(CLASS_HIDDEN);
    },


    /**
     * Replace the image's src and rebuild the cropper
     * @param {string} url - The new URL.
     * @param {boolean} [onlyColorChanged] - Indicate if the new image only changed color.
     */
    replace: function replace(url, onlyColorChanged) {
        if (!this.disabled && url) {
            if (this.isImg) {
                this.$element.attr('src', url);
            }

            if (onlyColorChanged) {
                this.url = url;
                this.$clone.attr('src', url);

                if (this.ready) {
                    this.$preview.find('img').add(this.$clone2).attr('src', url);
                }
            } else {
                if (this.isImg) {
                    this.replaced = true;
                }

                // Clear previous data
                this.options.data = null;
                this.load(url);
            }
        }
    },


    // Enable (unfreeze) the cropper
    enable: function enable() {
        if (this.ready) {
            this.disabled = false;
            this.$cropper.removeClass(CLASS_DISABLED);
        }
    },


    // Disable (freeze) the cropper
    disable: function disable() {
        if (this.ready) {
            this.disabled = true;
            this.$cropper.addClass(CLASS_DISABLED);
        }
    },


    // Destroy the cropper and remove the instance from the image
    destroy: function destroy() {
        var $element = this.$element;


        if (this.loaded) {
            if (this.isImg && this.replaced) {
                $element.attr('src', this.originalUrl);
            }

            this.unbuild();
            $element.removeClass(CLASS_HIDDEN);
        } else if (this.isImg) {
            $element.off(EVENT_LOAD, this.start);
        } else if (this.$clone) {
            this.$clone.remove();
        }

        $element.removeData(NAMESPACE);
    },


    /**
     * Move the canvas with relative offsets
     * @param {number} offsetX - The relative offset distance on the x-axis.
     * @param {number} offsetY - The relative offset distance on the y-axis.
     */
    move: function move(offsetX, offsetY) {
        var _canvas = this.canvas,
            left = _canvas.left,
            top = _canvas.top;


        this.moveTo(isUndefined(offsetX) ? offsetX : left + Number(offsetX), isUndefined(offsetY) ? offsetY : top + Number(offsetY));
    },


    /**
     * Move the canvas to an absolute point
     * @param {number} x - The x-axis coordinate.
     * @param {number} [y=x] - The y-axis coordinate.
     */
    moveTo: function moveTo(x, y) {
        var canvas = this.canvas;

        var changed = false;

        // If "y" is not present, its default value is "x"
        if (isUndefined(y)) {
            y = x;
        }

        x = Number(x);
        y = Number(y);

        if (this.ready && !this.disabled && this.options.movable) {
            if (isNumber(x)) {
                canvas.left = x;
                changed = true;
            }

            if (isNumber(y)) {
                canvas.top = y;
                changed = true;
            }

            if (changed) {
                this.renderCanvas(true);
            }
        }
    },


    /**
     * Zoom the canvas with a relative ratio
     * @param {Number} ratio - The target ratio.
     * @param {Event} _event - The related event if any.
     */
    zoom: function zoom(ratio, _event) {
        var canvas = this.canvas;


        ratio = Number(ratio);

        if (ratio < 0) {
            ratio = 1 / (1 - ratio);
        } else {
            ratio = 1 + ratio;
        }

        this.zoomTo(canvas.width * ratio / canvas.naturalWidth, _event);
    },


    /**
     * Zoom the canvas to an absolute ratio
     * @param {number} ratio - The target ratio.
     * @param {Event} _event - The related event if any.
     */
    zoomTo: function zoomTo(ratio, _event) {
        var options = this.options,
            pointers = this.pointers,
            canvas = this.canvas;
        var width = canvas.width,
            height = canvas.height,
            naturalWidth = canvas.naturalWidth,
            naturalHeight = canvas.naturalHeight;


        ratio = Number(ratio);

        if (ratio >= 0 && this.ready && !this.disabled && options.zoomable) {
            var newWidth = naturalWidth * ratio;
            var newHeight = naturalHeight * ratio;
            var originalEvent = void 0;

            if (_event) {
                originalEvent = _event.originalEvent;
            }

            if (this.trigger(EVENT_ZOOM, {
                    originalEvent: originalEvent,
                    oldRatio: width / naturalWidth,
                    ratio: newWidth / naturalWidth
                }).isDefaultPrevented()) {
                return;
            }

            if (originalEvent) {
                var offset = this.$cropper.offset();
                var center = pointers && objectKeys(pointers).length ? getPointersCenter(pointers) : {
                    pageX: _event.pageX || originalEvent.pageX || 0,
                    pageY: _event.pageY || originalEvent.pageY || 0
                };

                // Zoom from the triggering point of the event
                canvas.left -= (newWidth - width) * ((center.pageX - offset.left - canvas.left) / width);
                canvas.top -= (newHeight - height) * ((center.pageY - offset.top - canvas.top) / height);
            } else {
                // Zoom from the center of the canvas
                canvas.left -= (newWidth - width) / 2;
                canvas.top -= (newHeight - height) / 2;
            }

            canvas.width = newWidth;
            canvas.height = newHeight;
            this.renderCanvas(true);
        }
    },


    /**
     * Rotate the canvas with a relative degree
     * @param {number} degree - The rotate degree.
     */
    rotate: function rotate(degree) {
        this.rotateTo((this.image.rotate || 0) + Number(degree));
    },


    /**
     * Rotate the canvas to an absolute degree
     * @param {number} degree - The rotate degree.
     */
    rotateTo: function rotateTo(degree) {
        degree = Number(degree);

        if (isNumber(degree) && this.ready && !this.disabled && this.options.rotatable) {
            this.image.rotate = degree % 360;
            this.renderCanvas(true, true);
        }
    },


    /**
     * Scale the image on the x-axis.
     * @param {number} scaleX - The scale ratio on the x-axis.
     */
    scaleX: function scaleX(_scaleX) {
        var scaleY = this.image.scaleY;


        this.scale(_scaleX, isNumber(scaleY) ? scaleY : 1);
    },


    /**
     * Scale the image on the y-axis.
     * @param {number} scaleY - The scale ratio on the y-axis.
     */
    scaleY: function scaleY(_scaleY) {
        var scaleX = this.image.scaleX;


        this.scale(isNumber(scaleX) ? scaleX : 1, _scaleY);
    },


    /**
     * Scale the image
     * @param {number} scaleX - The scale ratio on the x-axis.
     * @param {number} [scaleY=scaleX] - The scale ratio on the y-axis.
     */
    scale: function scale(scaleX) {
        var scaleY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : scaleX;
        var image = this.image;

        var transformed = false;

        scaleX = Number(scaleX);
        scaleY = Number(scaleY);

        if (this.ready && !this.disabled && this.options.scalable) {
            if (isNumber(scaleX)) {
                image.scaleX = scaleX;
                transformed = true;
            }

            if (isNumber(scaleY)) {
                image.scaleY = scaleY;
                transformed = true;
            }

            if (transformed) {
                this.renderCanvas(true, true);
            }
        }
    },


    /**
     * Get the cropped area position and size data (base on the original image)
     * @param {boolean} [rounded=false] - Indicate if round the data values or not.
     * @returns {Object} The result cropped data.
     */
    getData: function getData() {
        var rounded = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
        var options = this.options,
            image = this.image,
            canvas = this.canvas,
            cropBox = this.cropBox;

        var data = void 0;

        if (this.ready && this.cropped) {
            data = {
                x: cropBox.left - canvas.left,
                y: cropBox.top - canvas.top,
                width: cropBox.width,
                height: cropBox.height
            };

            var ratio = image.width / image.naturalWidth;

            $.each(data, function (i, n) {
                n /= ratio;
                data[i] = rounded ? Math.round(n) : n;
            });
        } else {
            data = {
                x: 0,
                y: 0,
                width: 0,
                height: 0
            };
        }

        if (options.rotatable) {
            data.rotate = image.rotate || 0;
        }

        if (options.scalable) {
            data.scaleX = image.scaleX || 1;
            data.scaleY = image.scaleY || 1;
        }

        return data;
    },


    /**
     * Set the cropped area position and size with new data
     * @param {Object} data - The new data.
     */
    setData: function setData(data) {
        var options = this.options,
            image = this.image,
            canvas = this.canvas;

        var cropBoxData = {};

        if ($.isFunction(data)) {
            data = data.call(this.element);
        }

        if (this.ready && !this.disabled && $.isPlainObject(data)) {
            var transformed = false;

            if (options.rotatable) {
                if (isNumber(data.rotate) && data.rotate !== image.rotate) {
                    image.rotate = data.rotate;
                    transformed = true;
                }
            }

            if (options.scalable) {
                if (isNumber(data.scaleX) && data.scaleX !== image.scaleX) {
                    image.scaleX = data.scaleX;
                    transformed = true;
                }

                if (isNumber(data.scaleY) && data.scaleY !== image.scaleY) {
                    image.scaleY = data.scaleY;
                    transformed = true;
                }
            }

            if (transformed) {
                this.renderCanvas(true, true);
            }

            var ratio = image.width / image.naturalWidth;

            if (isNumber(data.x)) {
                cropBoxData.left = data.x * ratio + canvas.left;
            }

            if (isNumber(data.y)) {
                cropBoxData.top = data.y * ratio + canvas.top;
            }

            if (isNumber(data.width)) {
                cropBoxData.width = data.width * ratio;
            }

            if (isNumber(data.height)) {
                cropBoxData.height = data.height * ratio;
            }

            this.setCropBoxData(cropBoxData);
        }
    },


    /**
     * Get the container size data.
     * @returns {Object} The result container data.
     */
    getContainerData: function getContainerData() {
        return this.ready ? $.extend({}, this.container) : {};
    },


    /**
     * Get the image position and size data.
     * @returns {Object} The result image data.
     */
    getImageData: function getImageData() {
        return this.loaded ? $.extend({}, this.image) : {};
    },


    /**
     * Get the canvas position and size data.
     * @returns {Object} The result canvas data.
     */
    getCanvasData: function getCanvasData() {
        var canvas = this.canvas;

        var data = {};

        if (this.ready) {
            $.each(['left', 'top', 'width', 'height', 'naturalWidth', 'naturalHeight'], function (i, n) {
                data[n] = canvas[n];
            });
        }

        return data;
    },


    /**
     * Set the canvas position and size with new data.
     * @param {Object} data - The new canvas data.
     */
    setCanvasData: function setCanvasData(data) {
        var canvas = this.canvas;
        var aspectRatio = canvas.aspectRatio;


        if ($.isFunction(data)) {
            data = data.call(this.$element);
        }

        if (this.ready && !this.disabled && $.isPlainObject(data)) {
            if (isNumber(data.left)) {
                canvas.left = data.left;
            }

            if (isNumber(data.top)) {
                canvas.top = data.top;
            }

            if (isNumber(data.width)) {
                canvas.width = data.width;
                canvas.height = data.width / aspectRatio;
            } else if (isNumber(data.height)) {
                canvas.height = data.height;
                canvas.width = data.height * aspectRatio;
            }

            this.renderCanvas(true);
        }
    },


    /**
     * Get the crop box position and size data.
     * @returns {Object} The result crop box data.
     */
    getCropBoxData: function getCropBoxData() {
        var cropBox = this.cropBox;


        return this.ready && this.cropped ? {
            left: cropBox.left,
            top: cropBox.top,
            width: cropBox.width,
            height: cropBox.height
        } : {};
    },


    /**
     * Set the crop box position and size with new data.
     * @param {Object} data - The new crop box data.
     */
    setCropBoxData: function setCropBoxData(data) {
        var cropBox = this.cropBox;
        var aspectRatio = this.options.aspectRatio;

        var widthChanged = void 0;
        var heightChanged = void 0;

        if ($.isFunction(data)) {
            data = data.call(this.$element);
        }

        if (this.ready && this.cropped && !this.disabled && $.isPlainObject(data)) {
            if (isNumber(data.left)) {
                cropBox.left = data.left;
            }

            if (isNumber(data.top)) {
                cropBox.top = data.top;
            }

            if (isNumber(data.width) && data.width !== cropBox.width) {
                widthChanged = true;
                cropBox.width = data.width;
            }

            if (isNumber(data.height) && data.height !== cropBox.height) {
                heightChanged = true;
                cropBox.height = data.height;
            }

            if (aspectRatio) {
                if (widthChanged) {
                    cropBox.height = cropBox.width / aspectRatio;
                } else if (heightChanged) {
                    cropBox.width = cropBox.height * aspectRatio;
                }
            }

            this.renderCropBox();
        }
    },


    /**
     * Get a canvas drawn the cropped image.
     * @param {Object} [options={}] - The config options.
     * @returns {HTMLCanvasElement} - The result canvas.
     */
    getCroppedCanvas: function getCroppedCanvas() {
        var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

        if (!this.ready || !window.HTMLCanvasElement) {
            return null;
        }

        var canvasData = this.canvas;

        var source = getSourceCanvas(this.$clone[0], this.image, canvasData, options);

        // Returns the source canvas if it is not cropped.
        if (!this.cropped) {
            return source;
        }

        var _getData = this.getData(),
            x = _getData.x,
            y = _getData.y,
            initialWidth = _getData.width,
            initialHeight = _getData.height;

        var aspectRatio = initialWidth / initialHeight;
        var maxSizes = getContainSizes({
            aspectRatio: aspectRatio,
            width: options.maxWidth || Infinity,
            height: options.maxHeight || Infinity
        });
        var minSizes = getContainSizes({
            aspectRatio: aspectRatio,
            width: options.minWidth || 0,
            height: options.minHeight || 0
        });

        var _getContainSizes = getContainSizes({
                aspectRatio: aspectRatio,
                width: options.width || initialWidth,
                height: options.height || initialHeight
            }),
            width = _getContainSizes.width,
            height = _getContainSizes.height;

        width = Math.min(maxSizes.width, Math.max(minSizes.width, width));
        height = Math.min(maxSizes.height, Math.max(minSizes.height, height));

        var canvas = document.createElement('canvas');
        var context = canvas.getContext('2d');

        canvas.width = normalizeDecimalNumber(width);
        canvas.height = normalizeDecimalNumber(height);
        context.fillStyle = options.fillColor || 'transparent';
        context.fillRect(0, 0, width, height);

        var _options$imageSmoothi = options.imageSmoothingEnabled,
            imageSmoothingEnabled = _options$imageSmoothi === undefined ? true : _options$imageSmoothi,
            imageSmoothingQuality = options.imageSmoothingQuality;


        context.imageSmoothingEnabled = imageSmoothingEnabled;

        if (imageSmoothingQuality) {
            context.imageSmoothingQuality = imageSmoothingQuality;
        }

        // https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D.drawImage
        var sourceWidth = source.width;
        var sourceHeight = source.height;

        // Source canvas parameters
        var srcX = x;
        var srcY = y;
        var srcWidth = void 0;
        var srcHeight = void 0;

        // Destination canvas parameters
        var dstX = void 0;
        var dstY = void 0;
        var dstWidth = void 0;
        var dstHeight = void 0;

        if (srcX <= -initialWidth || srcX > sourceWidth) {
            srcX = 0;
            srcWidth = 0;
            dstX = 0;
            dstWidth = 0;
        } else if (srcX <= 0) {
            dstX = -srcX;
            srcX = 0;
            srcWidth = Math.min(sourceWidth, initialWidth + srcX);
            dstWidth = srcWidth;
        } else if (srcX <= sourceWidth) {
            dstX = 0;
            srcWidth = Math.min(initialWidth, sourceWidth - srcX);
            dstWidth = srcWidth;
        }

        if (srcWidth <= 0 || srcY <= -initialHeight || srcY > sourceHeight) {
            srcY = 0;
            srcHeight = 0;
            dstY = 0;
            dstHeight = 0;
        } else if (srcY <= 0) {
            dstY = -srcY;
            srcY = 0;
            srcHeight = Math.min(sourceHeight, initialHeight + srcY);
            dstHeight = srcHeight;
        } else if (srcY <= sourceHeight) {
            dstY = 0;
            srcHeight = Math.min(initialHeight, sourceHeight - srcY);
            dstHeight = srcHeight;
        }

        // All the numerical parameters should be integer for `drawImage`
        // https://github.com/fengyuanchen/cropper/issues/476
        var params = [srcX, srcY, srcWidth, srcHeight];

        // Avoid "IndexSizeError"
        if (dstWidth > 0 && dstHeight > 0) {
            var scale = width / initialWidth;

            params.push(dstX * scale, dstY * scale, dstWidth * scale, dstHeight * scale);
        }

        context.drawImage.apply(context, [source].concat(_toConsumableArray$1($.map(params, function (param) {
            return Math.floor(normalizeDecimalNumber(param));
        }))));
        return canvas;
    },


    /**
     * Change the aspect ratio of the crop box.
     * @param {number} aspectRatio - The new aspect ratio.
     */
    setAspectRatio: function setAspectRatio(aspectRatio) {
        var options = this.options;


        if (!this.disabled && !isUndefined(aspectRatio)) {
            // 0 -> NaN
            options.aspectRatio = Math.max(0, aspectRatio) || NaN;

            if (this.ready) {
                this.initCropBox();

                if (this.cropped) {
                    this.renderCropBox();
                }
            }
        }
    },


    /**
     * Change the drag mode.
     * @param {string} mode - The new drag mode.
     */
    setDragMode: function setDragMode(mode) {
        var options = this.options;

        var croppable = void 0;
        var movable = void 0;

        if (this.loaded && !this.disabled) {
            croppable = mode === DRAG_MODE_CROP;
            movable = options.movable && mode === DRAG_MODE_MOVE;
            mode = croppable || movable ? mode : DRAG_MODE_NONE;

            this.$dragBox.data(DATA_ACTION, mode).toggleClass(CLASS_CROP, croppable).toggleClass(CLASS_MOVE, movable);

            if (!options.cropBoxMovable) {
                // Sync drag mode to crop box when it is not movable(#300)
                this.$face.data(DATA_ACTION, mode).toggleClass(CLASS_CROP, croppable).toggleClass(CLASS_MOVE, movable);
            }
        }
    }
};

var _createClass = function () {
    function defineProperties(target, props) {
        for (var i = 0; i < props.length; i++) {
            var descriptor = props[i];
            descriptor.enumerable = descriptor.enumerable || false;
            descriptor.configurable = true;
            if ("value" in descriptor) descriptor.writable = true;
            Object.defineProperty(target, descriptor.key, descriptor);
        }
    }

    return function (Constructor, protoProps, staticProps) {
        if (protoProps) defineProperties(Constructor.prototype, protoProps);
        if (staticProps) defineProperties(Constructor, staticProps);
        return Constructor;
    };
}();

function _classCallCheck(instance, Constructor) {
    if (!(instance instanceof Constructor)) {
        throw new TypeError("Cannot call a class as a function");
    }
}

var Cropper = function () {
    /**
     * Create a new Cropper.
     * @param {Element} element - The target element for cropping.
     * @param {Object} [options={}] - The configuration options.
     */
    function Cropper(element) {
        var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

        _classCallCheck(this, Cropper);

        if (!element || !REGEXP_TAG_NAME.test(element.tagName)) {
            throw new Error('The first argument is required and must be an <img> or <canvas> element.');
        }

        this.element = element;
        this.$element = $(element);
        this.options = $.extend({}, DEFAULTS, $.isPlainObject(options) && options);
        this.completed = false;
        this.cropped = false;
        this.disabled = false;
        this.isImg = false;
        this.limited = false;
        this.loaded = false;
        this.ready = false;
        this.replaced = false;
        this.wheeling = false;
        this.originalUrl = '';
        this.canvas = null;
        this.cropBox = null;
        this.pointers = {};
        this.init();
    }

    _createClass(Cropper, [{
        key: 'init',
        value: function init() {
            var $element = this.$element;

            var url = void 0;

            if ($element.is('img')) {
                this.isImg = true;

                // Should use `$.fn.attr` here. e.g.: "img/picture.jpg"
                url = $element.attr('src') || '';
                this.originalUrl = url;

                // Stop when it's a blank image
                if (!url) {
                    return;
                }

                // Should use `$.fn.prop` here. e.g.: "http://example.com/img/picture.jpg"
                url = $element.prop('src');
            } else if ($element.is('canvas') && window.HTMLCanvasElement) {
                url = $element[0].toDataURL();
            }

            this.load(url);
        }

        // A shortcut for triggering custom events

    }, {
        key: 'trigger',
        value: function trigger(type, data) {
            var e = $.Event(type, data);

            this.$element.trigger(e);

            return e;
        }
    }, {
        key: 'load',
        value: function load(url) {
            var _this = this;

            if (!url) {
                return;
            }

            this.url = url;
            this.image = {};

            var $element = this.$element,
                options = this.options;


            if (!options.checkOrientation || !window.ArrayBuffer) {
                this.clone();
                return;
            }

            // XMLHttpRequest disallows to open a Data URL in some browsers like IE11 and Safari
            if (REGEXP_DATA_URL.test(url)) {
                if (REGEXP_DATA_URL_JPEG.test(url)) {
                    this.read(dataURLToArrayBuffer(url));
                } else {
                    this.clone();
                }

                return;
            }

            var xhr = new XMLHttpRequest();

            xhr.onerror = function () {
                _this.clone();
            };

            xhr.onload = function () {
                _this.read(xhr.response);
            };

            if (options.checkCrossOrigin && isCrossOriginURL(url) && $element.prop('crossOrigin')) {
                url = addTimestamp(url);
            }

            xhr.open('get', url);
            xhr.responseType = 'arraybuffer';
            xhr.withCredentials = $element.prop('crossOrigin') === 'use-credentials';
            xhr.send();
        }
    }, {
        key: 'read',
        value: function read(arrayBuffer) {
            var options = this.options,
                image = this.image;

            var orientation = getOrientation(arrayBuffer);
            var rotate = 0;
            var scaleX = 1;
            var scaleY = 1;

            if (orientation > 1) {
                this.url = arrayBufferToDataURL(arrayBuffer, 'image/jpeg');

                var _parseOrientation = parseOrientation(orientation);

                rotate = _parseOrientation.rotate;
                scaleX = _parseOrientation.scaleX;
                scaleY = _parseOrientation.scaleY;
            }

            if (options.rotatable) {
                image.rotate = rotate;
            }

            if (options.scalable) {
                image.scaleX = scaleX;
                image.scaleY = scaleY;
            }

            this.clone();
        }
    }, {
        key: 'clone',
        value: function clone() {
            var $element = this.$element,
                options = this.options,
                url = this.url;

            var crossOrigin = '';
            var crossOriginUrl = void 0;

            if (options.checkCrossOrigin && isCrossOriginURL(url)) {
                crossOrigin = $element.prop('crossOrigin');

                if (crossOrigin) {
                    crossOriginUrl = url;
                } else {
                    crossOrigin = 'anonymous';

                    // Bust cache (#148) when there is not a "crossOrigin" property
                    crossOriginUrl = addTimestamp(url);
                }
            }

            this.crossOrigin = crossOrigin;
            this.crossOriginUrl = crossOriginUrl;

            var image = document.createElement('img');

            if (crossOrigin) {
                image.crossOrigin = crossOrigin;
            }

            image.src = crossOriginUrl || url;

            var $clone = $(image);

            this.$clone = $clone;

            if (this.isImg) {
                if (this.element.complete) {
                    this.start();
                } else {
                    $element.one(EVENT_LOAD, $.proxy(this.start, this));
                }
            } else {
                $clone.one(EVENT_LOAD, $.proxy(this.start, this)).one(EVENT_ERROR, $.proxy(this.stop, this)).addClass(CLASS_HIDE).insertAfter($element);
            }
        }
    }, {
        key: 'start',
        value: function start() {
            var _this2 = this;

            var $clone = this.$clone;

            var $image = this.$element;

            if (!this.isImg) {
                $clone.off(EVENT_ERROR, this.stop);
                $image = $clone;
            }

            getImageNaturalSizes($image[0], function (naturalWidth, naturalHeight) {
                $.extend(_this2.image, {
                    naturalWidth: naturalWidth,
                    naturalHeight: naturalHeight,
                    aspectRatio: naturalWidth / naturalHeight
                });

                _this2.loaded = true;
                _this2.build();
            });
        }
    }, {
        key: 'stop',
        value: function stop() {
            this.$clone.remove();
            this.$clone = null;
        }
    }, {
        key: 'build',
        value: function build() {
            var _this3 = this;

            if (!this.loaded) {
                return;
            }

            // Unbuild first when replace
            if (this.ready) {
                this.unbuild();
            }

            var $element = this.$element,
                options = this.options,
                $clone = this.$clone;

            var $cropper = $(TEMPLATE);
            var $cropBox = $cropper.find('.' + NAMESPACE + '-crop-box');
            var $face = $cropBox.find('.' + NAMESPACE + '-face');

            // Create cropper elements
            this.$container = $element.parent();
            this.$cropper = $cropper;
            this.$canvas = $cropper.find('.' + NAMESPACE + '-canvas').append($clone);
            this.$dragBox = $cropper.find('.' + NAMESPACE + '-drag-box');
            this.$cropBox = $cropBox;
            this.$viewBox = $cropper.find('.' + NAMESPACE + '-view-box');
            this.$face = $face;

            // Hide the original image
            $element.addClass(CLASS_HIDDEN).after($cropper);

            // Show the clone image if is hidden
            if (!this.isImg) {
                $clone.removeClass(CLASS_HIDE);
            }

            this.initPreview();
            this.bind();

            options.aspectRatio = Math.max(0, options.aspectRatio) || NaN;
            options.viewMode = Math.max(0, Math.min(3, Math.round(options.viewMode))) || 0;

            this.cropped = options.autoCrop;

            if (options.autoCrop) {
                if (options.modal) {
                    this.$dragBox.addClass(CLASS_MODAL);
                }
            } else {
                $cropBox.addClass(CLASS_HIDDEN);
            }

            if (!options.guides) {
                $cropBox.find('.' + NAMESPACE + '-dashed').addClass(CLASS_HIDDEN);
            }

            if (!options.center) {
                $cropBox.find('.' + NAMESPACE + '-center').addClass(CLASS_HIDDEN);
            }

            if (options.cropBoxMovable) {
                $face.addClass(CLASS_MOVE).data(DATA_ACTION, ACTION_ALL);
            }

            if (!options.highlight) {
                $face.addClass(CLASS_INVISIBLE);
            }

            if (options.background) {
                $cropper.addClass(NAMESPACE + '-bg');
            }

            if (!options.cropBoxResizable) {
                $cropBox.find('.' + NAMESPACE + '-line,.' + NAMESPACE + '-point').addClass(CLASS_HIDDEN);
            }

            this.setDragMode(options.dragMode);
            this.render();
            this.ready = true;
            this.setData(options.data);

            // Trigger the ready event asynchronously to keep `data('cropper')` is defined
            this.completing = setTimeout(function () {
                if ($.isFunction(options.ready)) {
                    $element.one(EVENT_READY, options.ready);
                }

                _this3.trigger(EVENT_READY);
                _this3.trigger(EVENT_CROP, _this3.getData());
                _this3.completed = true;
            }, 0);
        }
    }, {
        key: 'unbuild',
        value: function unbuild() {
            if (!this.ready) {
                return;
            }

            if (!this.completed) {
                clearTimeout(this.completing);
            }

            this.ready = false;
            this.completed = false;
            this.initialImage = null;

            // Clear `initialCanvas` is necessary when replace
            this.initialCanvas = null;
            this.initialCropBox = null;
            this.container = null;
            this.canvas = null;

            // Clear `cropBox` is necessary when replace
            this.cropBox = null;
            this.unbind();

            this.resetPreview();
            this.$preview = null;

            this.$viewBox = null;
            this.$cropBox = null;
            this.$dragBox = null;
            this.$canvas = null;
            this.$container = null;

            this.$cropper.remove();
            this.$cropper = null;
        }

        /**
         * Change the default options.
         * @param {Object} options - The new default options.
         */

    }], [{
        key: 'setDefaults',
        value: function setDefaults(options) {
            $.extend(DEFAULTS, $.isPlainObject(options) && options);
        }
    }]);

    return Cropper;
}();

if ($.extend) {
    $.extend(Cropper.prototype, render, preview, events, handlers, change, methods);
}

if ($.fn) {
    var AnotherCropper = $.fn.cropper;

    $.fn.cropper = function jQueryCropper(option) {
        for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
            args[_key - 1] = arguments[_key];
        }

        var result = void 0;

        this.each(function (i, element) {
            var $element = $(element);
            var data = $element.data(NAMESPACE);

            if (!data) {
                if (/destroy/.test(option)) {
                    return;
                }

                var options = $.extend({}, $element.data(), $.isPlainObject(option) && option);

                data = new Cropper(element, options);
                $element.data(NAMESPACE, data);
            }

            if (isString(option)) {
                var fn = data[option];

                if ($.isFunction(fn)) {
                    result = fn.apply(data, args);
                }
            }
        });

        return isUndefined(result) ? this : result;
    };

    $.fn.cropper.Constructor = Cropper;
    $.fn.cropper.setDefaults = Cropper.setDefaults;
    $.fn.cropper.noConflict = function noConflict() {
        $.fn.cropper = AnotherCropper;
        return this;
    };
}
